Across
- 7. The energy produced by heat from Earth's interior
- 8. The energy received by Earth from the sun in the form of radiation
Down
- 1. Electric energy produced by moving water
- 2. A natural resource used to generate electricity and other forms of energy
- 3. Is organic matter from plants and from animal waste that contains chemical energy
- 4. Plants absorb light energy from the sun and convert it to chemical energy
- 5. Any organic compound in which the hydroxyl functional group is bound to a saturated carbon atom
- 6. The force of moving air to drive an electric generator or do other work